UP element -35 Region Spacer-10 Region Spacer RNA start +1 Consensus sequence NNAAAMTATTMINNAAAANNN N TIGACA NI TATAAT N rrnB P1 AGAAAATTATTTTAAATTTCCT N GTGTCA N16 TATAAT Ns A trp TTGACA N TTAACT N7 A lac TTTACA N17 TATGTT N6 A recA TTGATA N16 TATAAT N7 A araBAD CTGACG N1s TACTGT Ns A 大肠杆菌RNA聚合酶全酶所识别的启动子区 T85T83C81A61C69A52 T89A89T50A65A100